Zinc Flake Powder for Brake Linings
Zinc powder in flake form used as friction modifier in automotive brake lining formulations. Classified as 'other powders' under HTS 7903.90.30.00, distinct from dust due to morphology but suitable for composite materials.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If predominantly flake-shaped particles
Pure zinc flakes have dedicated subheading separate from powders.
If when incorporated into finished brake friction material
Brake linings containing zinc classify under Chapter 68.
If pre-mixed friction modifiers
Chemical preparations for friction materials shift to Chapter 38.
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Import Tips & Compliance
• Provide SEM images showing flake morphology to differentiate from spherical powders
• Include brake industry end-use letters to support classification over chemical headings
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